From 5ee8a0795e9656b370e9f67b6acea2f2690a1aca Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 4 May 2016 17:42:59 +0100
Subject: [PATCH] vga: update vga register setup on vbe changes

Call the new vbe_update_vgaregs() function on vbe configuration
changes, to make sure vga registers are up-to-date.

upstream-commit-id: 2068192dcccd8a80dddfcc8df6164cf9c26e0fc4

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
---
 hw/vga.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/vga.c b/hw/vga.c
index ad7ca4934..1ac8083d3 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -794,6 +794,7 @@ void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
         case VBE_DISPI_INDEX_Y_OFFSET:
             s->vbe_regs[s->vbe_index] = val;
             vbe_fixup_regs(s);
+            vbe_update_vgaregs(s);
             break;
         case VBE_DISPI_INDEX_BANK:
             val &= s->vbe_bank_mask;
-- 
2.39.5